NEX-5204 silence lint and studio warnings that only occur with an adjunct proto
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>

@@ -45,10 +45,12 @@
 CERRWARN += -_gcc=-Wno-unused-variable
 CERRWARN += -_gcc=-Wno-parentheses
 CERRWARN += -_gcc=-Wno-unused-function
 CERRWARN += -_gcc=-Wno-uninitialized
 
+CERRWARN +=     -_cc=-errhdr=no%$(ADJUNCT_PROTO)/usr/include/glib-2.0
+
 .KEEP_STATE:
 
 all: $(PROG)
 
 $(PROG): $(OBJS)